Visit their websites to compare ingredients and quantities. It's worth avoiding those brands that use many bulking agents/fillers.

You might want to also look into what kind of calcium you're taking and why, and consider taking Vit K2. I'm sure someone else will chip in on this. Sorry, I'm in a cafe and doing other stuff right now. Hope the above info helps.

HI Multi vit and minerals are more important. I use Healthspan on line. Take care of taking calcium and magnesium in those doses as you need blood tests for them to make sure they are in range as electrolytes.